Breathing valve body structure of inhaling and exhaling separate-filtering mask
A breathing valve and mask technology, applied in breathing masks, breathing protection devices, breathing protection containers, etc., can solve the problems of easy eczema on the face, uncomfortable wearing, and poor breathing, so as to reduce stuffy feeling, enhance comfort, The effect of good air permeability
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Embodiment 1
[0047] like Figure 1~Figure 5 It can be seen that the breathing valve body structure of a kind of inhaling and exhaling filter-type mask of the present invention includes a mask body 1 with ear hanging devices A2 respectively on both sides, and a breathing valve body 8 is provided on the inside of the mask body 1, so that The breathing valve body 8 is provided with an air inlet 28, an air outlet 14 and a breathing port 13 corresponding to the user's nostrils. The mouth mask body 1 includes a multi-layer composite filter layer 31 and a hygroscopic layer 32 successively from the outside. The mouth mask body The edge of 1 is sealed and fixed, so that the edge positions between the layers of the mask body 1 are respectively sealed and fixed. The middle part of the mask body 1 is provided with a transverse welding mark A22, and the transverse welding mark A22 makes the mouth mask body 1 The welding marks A22 positions between the layers are respectively sealed and fixed, and the a...
Embodiment 2
[0076] like figure 1 , image 3 , Image 6 and Figure 7 It can be seen that the breathing valve body structure of a kind of inhaling and exhaling filter-type mask of the present invention includes a mask body 1 with ear hanging devices A2 respectively on both sides, and a breathing valve body 8 is provided on the inside of the mask body 1, so that The breathing valve body 8 is provided with an air inlet 28, an air outlet 14 and a breathing port 13 corresponding to the user's nostrils. The mouth mask body 1 includes a multi-layer composite filter layer 31 and a hygroscopic layer 32 successively from the outside. The mouth mask body The edge of 1 is sealed and fixed, so that the edge positions between the layers of the mask body 1 are respectively sealed and fixed. The middle part of the mask body 1 is provided with a transverse welding mark A22, and the transverse welding mark A22 makes the mouth mask body 1 The welding marks A22 positions between the layers are respectivel...
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